At least six charges are expected when a suspect is arraigned in the Sunday robbery and shooting of a convenience store employee.

The 21-year-old suspect is expected to appear in Calhoun County District Court on Tuesday and prosecutors and police said he likely will face charges of assault with intent to murder, armed robbery, possession of a stolen gun, being a felon in possession of a gun, possession with intent to deliver heroin and use of a firearm in the commission of a felony.